Quiz Hard 2

0

Quiz Hard 2

1 / 30

Electronagitivity of oxygen is

2 / 30

Collodion or pyroxlin is

3 / 30

Which of the following is the basic indicator for titration of NH4OH with HCI?

4 / 30

Which metal can produce dihydrogen gas by reaction with dil. H2SO4?

5 / 30

If reaction A has an activation energy of 250 kJ and reaction B has an activation energy of 100 kJ, which of the following statements must be correct?

6 / 30

Hydrolysis of protiens gives

7 / 30

Arrangement of peptide chains of protien in space to form helix structure is refered to as

8 / 30

The study of ciled long peptide chains of protien to give 3-dimensional structure is study of

9 / 30

Colander stock is a process in paper making in which?

10 / 30

Organic farming is the technique of raising crops through uses of?

11 / 30

Which of the following techniques is used to separate a mixture of cations?

12 / 30

The substances added to the soil in very small amounts (about 6 grams to 200 grams per acre) are called

13 / 30

Relative order of acidity of oxy acid

14 / 30

Which of the following techniques is used to reduce the need for large volumes of organic solvents?

15 / 30

Which cast iron is hard and wear resistance?

16 / 30

What field of study encompasses the Procurement and production of metals?

17 / 30

Noble gases are sparingly soluble in water owing to

18 / 30

Methods used to ascent the series of aldoses is known as

19 / 30

The hybridization of S in SO2 is

20 / 30

Colour in transition metal compound is attributed to

21 / 30

When the concentration of reactant molecules is increased, the rate of reaction increases. The best explanation is: As the reactant concentration increases

22 / 30

Which one of the following sets of elements has the strongest tendency to form positive ions in gaseous state?

23 / 30

Given that a reaction absorbs enerpy and has an activation energy of 50 kJ/mol. which of the following statements are correct? (Hint: Draw the potential energy diagram.) 1. The reverse reaction has an activation energy equal to 50 kJ/mol 2. The reverse reaction has an activation energy less than 50 kJ/mol 3. The reverse reaction has an activation energy greater than 50 kJ/mol 4. The change in internal energy is less than zero. 5. The change in internal energy is greater than zero

24 / 30

In nucleosides the ring size of sugar and configuration at anomeric are respectively

25 / 30

The compound insoluble in acetic acid

26 / 30

The oxidation state of Pt in Xe+ [PtF6] - is

27 / 30

Used in TV sets and sound movies to give ready response to electric potential

28 / 30

The concept is also known as electron pair-donor acceptor system

29 / 30

Which of the following is renewable resource of energy?

30 / 30

Buffer solutions are used to

Your score is

Leave A Reply

Your email address will not be published. Required fields are marked *